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Finding the Fourth Proportional to 61,512.37, 84,887.37 and 34,655.30

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Solution

The fourth proportional to 61,512.37, 84,887.37 and 34,655.30 is: 47,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,512.37 : 84,887.37 = 34,655.30 : x
  2. Step 2: Convert to fraction form
    61,512.37/84,887.37 = 34,655.30/x
  3. Step 3: Cross multiply
    61,512.37x = 84,887.37 × 34,655.30
  4. Step 4: Simplify right side
    61,512.37x = 2,941,797,485.78
  5. Step 5: Solve for x
    x = 2,941,797,485.78/61,512.37
  6. Step 6: Final answer
    x = 47,824.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.